Question: What is the district of the city with the MAX(number of houses whose instance of is district of the city?
Paraphrase: What district in the city has the MAX number of houses whose instance is in the district of the city?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21851888 . ?ent wdt:P4080 ?obj . ?ent wdt:P31 wd:Q21851888 } ORDER BY DESC(?obj)LIMIT 5 
Answer: Brno-sever, Pilsen 2, Pilsen 3, Brno-střed, Ústí nad Labem-město